Hiroshima, Japan

Jun Hirai

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1992-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Jun Hirai. Retrieved from https://idiyas.com/inventor/jun-hirai-jsv00y45

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 5.3

ph-index = 3

Forward Citations = 19(Granted Patents)


Location History:

  • Kanonshin, JP (1992)
  • Hiroshima, JP (1993 - 1999)

Company Filing History:


Years Active: 1992-1999

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Innovations of Jun Hirai

Introduction

Jun Hirai is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engineering, particularly in the development of innovative systems that enhance functionality and efficiency. With a total of 3 patents to his name, Hirai continues to push the boundaries of technology.

Latest Patents

Hirai's latest patents include a lever-type frictional resistance force variable system. This invention features an arm supported by an upper beam, a supporting member fixed to a lower beam, and a braking device with frictional resistance plates. The system is designed to determine braking force based on sensor data, enhancing control and precision. Another notable patent is the long period pendulum damping equipment. This equipment consists of longer and shorter rods connected by a tie beam, designed to maintain tilt angles and provide effective damping while minimizing installation space.

Career Highlights

Jun Hirai is currently employed at Mitsubishi Jukogyo Kabushiki Kaisha, where he applies his expertise in engineering and innovation. His work has been instrumental in developing advanced systems that address various technical challenges.

Collaborations

Hirai has collaborated with several talented individuals, including Hisanori Abiru and Hideaki Harada. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Jun Hirai's contributions to engineering through his innovative patents demonstrate his commitment to advancing technology. His work continues to inspire future generations of inventors and engineers.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
Loading…